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Results
Nineteen
elementary school students, categorized into one of two groups, participated
in this study. There were 10 bilingual students consisting of 5 males
and five females. The ages ranged from 9 to 11, with a mean of 9.7
and a standard deviation of .82. There were 9 monolingual students
in the second group consisting of 5 males, and 4 females. The ages
ranged from 9 to 11, with a mean of 10.1 and a standard deviation of .78.
The 10 bilingual students spoke English as a second language, 5 of whom
were born outside of the USA. First languages included Spanish, Ukranian,
Creole, Serbocroatian, Chinese, and Korean.
This
study was designed to determine if bilingual children used certain metamemory
strategies more often than monolinguals. An overall average of Vocabulary
scores was recorded on the Peabody Picture Vocabulary Test (PPVT-III) (Dunn
& Dunn, 1997). There was also an overall average recorded in
each of the two groups on the Metamemory Battery Assessment. An Independent
Samples T-test was used to analyze the differences between the metamemory
strategies of both the monolingual and bilingual groups.
Results
indicated a statistical significant difference on the PPVT-III between
the two groups, t(17)= -2.32, p=0.02. Monolinguals scored higher on the
receptive vocabulary test than their bilingual peers as shown in table
1.
Table 1
Mean scores
and standard deviation for the PPVT-III
|
N
|
Mean
|
Std.Deviation
|
| Bilingual |
10
|
94.10
|
8.91
|
| Monolingual |
9
|
103.22
|
8.14
|
Although the monolingual
group performed significantly better on receptive vocabulary, should we
may assume they will perform better on tests of other cognitive abilities.
To evaluate these competing ideas, participants’ responses to specific
metamemory tasks were analyzed.
Though
there were no overall significant differences in metamemory strategies
between the two groups, there were specific memory tasks on which the bilinguals
and monolinguals performed differently, t(17)= -.10,p= .46. The mean
scores and standard deviations of the two groups on the Metamemory Battery
are shown in table 2.
Table 2
Independent
Samples T-Test for Total Metamemory Assessment
|
N
|
Mean
|
Std. Deviation
|
| Bilingual |
10
|
22.40
|
2.79
|
| Monolingual |
9
|
22.61
|
5.59
|
*Note: Equal
variance is assumed
Participants
in the bilingual group showed a significant difference on part 2 of the
Metamemory Assessment, t(17)= 2.45, p=0.01. Bilinguals scored higher
on “rote paraphrase”, which assesses awareness of the relative ease of
gist recall over rote recall shown in table 3.
Table 3
Means
and Standard Deviations for the “rote paraphrase” subset of the Metamemory
Battery Assessment
|
N
|
Mean
|
Std. Deviation
|
| Bilingual |
10
|
6.0
|
.00
|
| Monolingual |
9
|
3.78
|
2.91
|
*Note: Equal
variance is assumed
Monolingual
participants, on the other hand, showed a significant advantage on part
4 of the Metamemory Battery Assessment (Dunn & Dunn, 1997). Monolinguals
out-performed the bilingual group on ‘preparation event’, which assesses
planful behavior in preparing for future events, t(17)=-1.80, p=.04, as
shown in table 4.
Table 4
Means
and Standard Deviations for the “preparation event” subset of the Metamemory
Battery Assessment
|
N
|
Mean
|
Std. Deviation
|
| Bilingual |
10
|
2.2
|
.63
|
| Monolingual |
9
|
3.11
|
1.45
|
*Note: Equal
variance is assumed
There were no significant
differences on each of the remaining 6 subsets of the Metamemory Assessment
Battery. The two groups performed equally on, preparation object,
retrieval object, story-list, opposites-arbitrary, strategy-specific knowledge,
and memory monitoring.
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Abstract Background
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